package com.yaoge.uitl;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

public class MyBatisUtil {
    private  static SqlSessionFactory factory=null;


    static {
        String config="mybatis.xml";
        try {
            InputStream in= Resources.getResourceAsStream(config);
            SqlSessionFactoryBuilder builder=new SqlSessionFactoryBuilder();
            factory=builder.build(in);

        } catch (IOException e) {
            e.printStackTrace();
        }

    }
    public static  SqlSession getSqlSession(){
        SqlSession sqlSession=null;
        if (factory!=null){
            sqlSession=factory.openSession();
        }
        return sqlSession;
    }
}
